Bathroom Remodeling in Irvine, CA

In Irvine, the bathroom is usually where the City’s water-conservation rules show up first. A shower, toilet or faucet that was standard when your home was built may now count as a “noncompliant plumbing fixture,” and once a permit is involved, the City expects it to be replaced. We plan for that from the first meeting.

Bathroom remodels that pass Irvine's water and permit rules

Orange Home Builders is a licensed design-build general contractor (CSLB #1117595, class B) with an office in Newport Beach. Our design team prepares 3D designs and construction drawings, we handle the permits and HOA paperwork, and a project manager runs your remodel from demolition to final.

What we remodel in Irvine bathrooms

Showers and tubs: tub-to-shower conversions, larger walk-in showers, new waterproofing and tile.
Vanities and storage: double vanities, wall-hung cabinets, medicine cabinets and linen storage.
Fixtures and water use: toilets, showerheads and faucets selected to meet current flow limits.
Light and air: new lighting, mirrors and exhaust fans sized and ducted for the room.

For our full bathroom service across Orange County, visit bathroom remodeling in Orange County.

Which Irvine permit fits your bathroom project?

Simple fixture swaps: a same-day permit

Irvine runs a same-day automated portal for certain minor work, and a licensed contractor can use it. The City’s Residential Small Miscellaneous Combo Permit covers plumbing fixtures such as a toilet, sink, drain or faucet, along with electrical fixtures and outlets. To use the portal, the contractor’s City of Irvine business license, workers’ comp certificate and CSLB pocket card must be on file with the City. One exception: homes in the University Hills Community Association upload the application and any plans through the City’s online submission portal instead.

Minor bathroom remodels: a two-day target

A minor bathroom remodel isn’t eligible for the same-day system. The City routes it through the IrvineReady! plan submission portal with a target of two business days.

Bigger changes: full plan review

When walls move or the bathroom grows, the project goes in as a full remodel package with drawings. We prepare it and answer plan-check comments.

Irvine's pre-1994 fixture rule, explained

The City’s Informational Bulletin 321 applies state Civil Code 1101.1 to 1101.8 to buildings whose original final inspection took place no later than January 1, 1994. The bulletin defines a noncompliant plumbing fixture as:

a toilet made to use more than 1.6 gallons per flush
a showerhead with a flow capacity of more than 2.5 gallons per minute
an interior faucet that emits more than 2.2 gallons per minute

Replacements must meet current CALGreen levels listed in the bulletin, such as 1.28 gallons per flush for toilets and 1.8 gallons per minute at 80 psi for showerheads.

How far the rule reaches depends on the building:

Detached single-family home: all noncompliant fixtures in the building are replaced, not just those in the bathroom you’re remodeling.
Condo or townhome in a multi-unit building: the scope decides. If the work adds more than 10% to the floor area, every noncompliant fixture in the building is replaced. Otherwise, if the valuation exceeds $150,000, or if the work is in a room that has noncompliant fixtures, the noncompliant fixtures serving that area are replaced.

At final inspection, the City inspector either verifies the replacements or collects the City’s Water Conserving Plumbing Fixture Certification form, signed by the contractor. The City publishes a map of pre-1994 residential buildings and points owners to the Irvine Ranch Water District for rebates, which the bulletin says currently include toilets.

Condo and townhome bathrooms in Irvine

Stacked bathrooms share plumbing walls, floors and ceilings with neighbors, and the City reviews them that way:

Licensed design professional: when a remodel touches shared walls, floors or ceilings, a California-licensed architect or engineer has to prepare, stamp and sign the plans, working from the building’s original drawings. A licensed mechanical, electrical or plumbing contractor may prepare that part of the plans if the same contractor does the work.
HOA-approved design: the City requires a copy of the design plans your HOA approved.
Attic and underfloor work: under Informational Bulletin 222, any work reaching into common areas requires the HOA board’s written OK, and the permit can only be issued to a licensed contractor. The bulletin lists work within an attic or underfloor area as an example, which matters if a new exhaust fan duct or drain line has to pass through shared space.

Keeping the project on schedule

Bulletin 222 also caps an interior remodel at six months from the day the permit is issued. We finalize tile, vanities and fixtures before we pull the permit, so the clock isn’t running while materials are on order. Crews work only in the hours the City allows. At final inspection, smoke and carbon monoxide alarms must meet current requirements, so we check them as part of the job.

How a bathroom remodel runs with us

Walkthrough. Call (888) 599-7556 or tell us about your bathroom, and we’ll look at the space, fixtures and access.
Design. Our design team prepares 3D designs and construction drawings, and we review finishes and fixture flow rates with you.
Approvals. We handle HOA submittals and the City permit path that fits your scope.
Construction. Your project manager sequences demolition, plumbing, waterproofing and tile, then schedules inspections.
Final. The City inspector signs off on the fixture rule and alarms before we close out the project.

Why work with Orange Home Builders

Licensed: CSLB #1117595, class B general building contractor.
One team: design, permits, HOA paperwork and construction.
Office nearby: 4000 MacArthur Blvd #600, Newport Beach, CA 92660.
5.0 on Google from 50 reviews. See our client testimonials.

Irvine bathroom remodel FAQ

Can I replace a toilet or faucet in Irvine without a full plan review?

Usually, yes. Like-for-like plumbing fixtures such as a toilet, sink, drain or faucet fall under the City’s Residential Small Miscellaneous Combo Permit, which licensed contractors can get the same day through Irvine’s automated portal. Homes in the University Hills Community Association use the online submission portal instead.

What counts as a noncompliant plumbing fixture in Irvine?

Informational Bulletin 321 defines it as a toilet made to use more than 1.6 gallons per flush, a showerhead rated above 2.5 gallons per minute, or an interior faucet that emits more than 2.2 gallons per minute.

My condo building was finaled before 1994. Do I have to replace every fixture?

Not always. For multi-unit buildings, all noncompliant fixtures are replaced only if the work adds more than 10% of floor area. Otherwise the rule covers the fixtures serving the area of improvement, when the valuation exceeds $150,000 or the work is in a room with noncompliant fixtures.

Can a new bathroom fan be ducted through my condo's attic?

Possibly, but the City treats attic and underfloor work as affecting a common area. Bulletin 222 requires written permission from your HOA board, and the permit can only be issued to a licensed contractor.

Are there rebates for water-saving bathroom fixtures?

The City directs owners to the Irvine Ranch Water District, and Bulletin 321 notes that toilet rebates are currently available. Check the district’s rebate page for current terms before you buy.

How long can an Irvine bathroom remodel permit stay open?

Interior remodels in Irvine condos must finish within six months of permit issuance under Bulletin 222, a limit the bulletin calls an absolute maximum.

Plan your Irvine bathroom

Send us a few photos and your HOA’s name, and we’ll explain which permit path and fixture rules apply. Call (888) 599-7556 or request a consultation.